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Harry R. Lewis | Researchclopedia

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Harry R. Lewis

Solihull Hospital

191

Works

7,520

Citations

37

h-index

84

i10-index

Research Topics

Magnetic confinement fusion research Quantum chaos and dynamical systems Solar and Space Plasma Dynamics

Affiliations

Dartmouth College1993–2008

Université d'Orléans1987–1987

Lawrence Livermore National Laboratory1997–1997

United States Department of Commerce1968–1968

Los Alamos National Laboratory1966–2024

Top Works

An Exact Quantum Theory of the Time-Dependent Harmonic Oscillator and of a Charged Particle in a Time-Dependent Electromagnetic Field

Harry R. Lewis,W. B. Riesenfeld

19691,773 citations

Ionosphere and magnetosphere dynamics

Computability, Logic, AI Algorithms

Elements of the Theory of Computation

Harry R. Lewis,Christos H. Papadimitriou

1998720 citations

Classical and Quantum Systems with Time-Dependent Harmonic-Oscillator-Type Hamiltonians

1967607 citations

Class of Exact Invariants for Classical and Quantum Time-Dependent Harmonic Oscillators

1968547 citations

Complexity results for classes of quantificational formulas

1980206 citations

A direct approach to finding exact invariants for one-dimensional time-dependent classical Hamiltonians

Harry R. Lewis,P. G. L. Leach

1982199 citations

Symmetric space-bounded computation

Harry R. Lewis,Christos H. Papadimitriou

1982173 citations

Parity and the Polarization of Electrons from<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Co</mml:mi></mml:mrow><mml:mrow><mml:mn>60</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

Hans Frauenfelder,R. Bobone,et al.

1957135 citations

Renaming a Set of Clauses as a Horn Set

1978125 citations